Display shelf



FIG. 1 is a perspective view of a display shelf;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a top view thereof.

The broken lines are included for purposes of illustration and form nopart of the claimed design.

CLAIM I claim the ornamental design for a display shelf, as shown anddescribed.